Wall speaker strobe



FIG. 1 is a perspective view of a wall speaker strobe showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side elevation view thereof; and,

FIG. 4 is a top plan view thereof.

The broken line showing on FIGS. 2 and 3 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a wall speaker strobe, as shown and described. 